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Marsha M. Linehan, PhD, is developer of dialectical behavior therapy (DBT), and professor of psychology and director of the Behavioral Research and Therapy Clinics (BRTC) at the University of Washington in Seattle, WA. She is author of Cognitive-Behavioral Treatment of Borderline Personality Disorder and Skills Training Manual for Treating Borderline Personality Disorder.

New Harbinger has published proven-effective self-help books and workbooks, as well as professional books on topics in psychology, health, and personal growth. Our books provide evidence-based therapies such as acceptance and commitment therapy (ACT), dialectical behavior therapy (DBT), cognitive behavioral therapy (CBT), mindfulness, and more.